Subseries contains materials pertaining to Gerda G. Fillenbaum's involvement with the Consortium to Establish a Registry for Alzheimer's Disease (CERAD). CERAD was established in 1986 by a grant from the National Institute on Aging (NIA) to standardize procedures for evaluating and diagnosing patients with Alzheimer's disease. Materials in this subseries also document the development and use of the standardized instruments developed by CERAD, including their translation into Arabic, Bulgarian, Chinese, Dutch, Finnish, French, German, Hebrew, Hindi, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, and Swedish. Types of materials include correspondence, photographs, reports, questionnaires, receipts, order forms, VHS tapes, floppy disks, notes, DVDs, manuals, raw data files, data entry packets, speeches, reprints, brochures, flyers, newsletters, and publications. Materials date from 1986 to 2017.